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<html lang="zh-CN">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <form action="https://www.baidu.com/s" target="_blank">
        <input type="text" name="wd">
        <button>去百度搜索</button>
    </form>
    <hr>
    <form action="https://search.jd.com/search" target="_blank">
        <input type="text" name="keyword">
        <button>去京东搜索</button>
    </form>
    <hr>
    <a href="https://search.jd.com/search?keyword=手机" target="_blank">去京东搜索</a>
</body>

</html>